
import Vue from 'vue'
import VueRouter from 'vue-router'

// 普通的加载方式
// import Login from '../components/Login.vue'
// import Home from '../components/Home.vue'
// import Welcome from '../components/Welcome.vue'
// import Users from '../components/user/Users.vue'
// import Rights from '../components/power/Rights.vue'
// import Roles from '../components/power/Roles.vue'
// import Cate from '../components/goods/Cate.vue'
// import Params from '../components/goods/Params.vue'
// import List from '../components/goods/List.vue'
// import Add from '../components/goods/Add.vue'
// import Order from '../components/order/Order.vue'
// import Report from '../components/report/Report.vue'

// 通过插件来懒加载组件 
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')

const Users = () => import(/* webpackChunkName: "users_rights_roles" */ '../components/user/Users.vue')
const Rights = () => import(/* webpackChunkName: "users_rights_roles" */ '../components/power/Rights.vue')
const Roles = () => import(/* webpackChunkName: "users_rights_roles" */ '../components/power/Roles.vue')

const Cate = () => import(/* webpackChunkName: "cate_params" */ '../components/goods/Cate.vue')
const Params = () => import(/* webpackChunkName: "cate_params" */ '../components/goods/Params.vue')

const List = () => import(/* webpackChunkName: "list_add_order" */ '../components/goods/List.vue')
const Add = () => import(/* webpackChunkName: "list_add_order" */ '../components/goods/Add.vue')
const Order = () => import(/* webpackChunkName: "list_add_order" */ '../components/goods/Add.vue')

const Report = () => import(/* webpackChunkName: "report" */ '../components/report/Report.vue')

Vue.use(VueRouter)

const routes = [
	{
		path: '/',
		redirect: '/login'
	},
	{
		path: '/login',
		component: Login
	},
	{
		path: '/home',
		component: Home,
		redirect: '/welcome',
		children: [
			{
				path: '/welcome',
				component: Welcome
			},
			{
				path: '/users',
				component: Users
			},
			{
				path: '/rights',
				component: Rights
			},
			{
				path: '/roles',
				component: Roles
			},
			{
				path: '/categories',
				component: Cate
			},
			{
				path: '/params',
				component: Params
			},
			{
				path: '/goods',
				component: List
			},
			{
				path: '/goods/add',
				component: Add
			}, 
			{
				path: '/orders',
				component: Order
			},
			{
				path: '/reports',
				component: Report
			},
		]
	}
]

const router = new VueRouter({
  routes
})

//挂载路由导航守卫
router.beforeEach((to, from, next) => {
	if(to.path === '/login') return next()
	//获取token
	const tokenStr = window.sessionStorage.getItem('token')
	if(!tokenStr) return next('/login')
	next()
})

export default router
